diff --git a/dash/_callback.py b/dash/_callback.py
index b878482cfb..f463d82396 100644
--- a/dash/_callback.py
+++ b/dash/_callback.py
@@ -42,8 +42,8 @@ def to_plotly_json(self):  # pylint: disable=no-self-use
     def is_no_update(obj):
         return (
             isinstance(obj, NoUpdate)
-            or isinstance(obj, dict)
-            and obj == {"_dash_no_update": "_dash_no_update"}
+            or (isinstance(obj, dict)
+            and obj == {"_dash_no_update": "_dash_no_update"})
         )